Home / 845,516.86-1,166,748.51-482,890.66

Finding the Fourth Proportional to 845,516.86, 1,166,748.51 and 482,890.66

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Solution

The fourth proportional to 845,516.86, 1,166,748.51 and 482,890.66 is: 666,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,516.86 : 1,166,748.51 = 482,890.66 : x
  2. Step 2: Convert to fraction form
    845,516.86/1,166,748.51 = 482,890.66/x
  3. Step 3: Cross multiply
    845,516.86x = 1,166,748.51 × 482,890.66
  4. Step 4: Simplify right side
    845,516.86x = 563,411,958,047.92
  5. Step 5: Solve for x
    x = 563,411,958,047.92/845,516.86
  6. Step 6: Final answer
    x = 666,352.13

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.